Marketable Securities (Tables)

12 Months Ended

Mar. 31, 2014

Marketable Securities [Abstract]

Schedule of Available-for-sale Securities Reconciliation

The following is a summary of available-for-sale securities at March 31, 2013:

	Amortized Cost		Gross Unrealized Gains		Gross  Unrealized Losses		Estimated Fair Value
Marketable securities	$	21,635	$	2,335	$	19	$	23,951

The following is a summary of available-for-sale securities at March 31, 2014:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Marketable securities	$	20,078	$	2,013	$	150	$	21,941

Schedule of Unrealized Loss on Investments

The aggregate fair value of investments and unrealized losses on available-for-sale securities in an unrealized loss position at March 31, 2013 are as follows:

	Aggregate  Fair Value		Unrealized  Losses
Securities in a continuous loss position for less than 12 months	$	3,040	$	19
Securities in a continuous loss position for more than 12 months	—		—
	$	3,040	$	19

The aggregate fair value of investments and unrealized losses on available-for-sale securities in an unrealized loss position at March 31, 2014 are as follows:

	Aggregate  Fair Value		Unrealized Losses
Securities in a continuous loss position for less than 12 months	$	2,971	$	55
Securities in a continuous loss position for more than 12 months	2,963		95
	$	5,934	$	150